#!/usr/bin/env bash
#
# Summary: Display real_prefix for a Python virtualenv version
# Usage: pyenv virtualenv-prefix [<virtualenv>]
#

set -e
[ -n "$PYENV_DEBUG" ] && set -x

if [ -z "$PYENV_ROOT" ]; then
  PYENV_ROOT="${HOME}/.pyenv"
fi

if [ -n "$1" ]; then
  export PYENV_VERSION="$1"
fi

PYTHON_BIN="$(pyenv-which python)"
"${PYTHON_BIN}" -c 'import sys;print(sys.real_prefix)' 2>/dev/null